MCP1603RD-TNY Microchip Technology, MCP1603RD-TNY Datasheet - Page 16
![Tiny Reference Design Board](/photos/9/14/91415/mcp1603rd-tny_sml.jpg)
MCP1603RD-TNY
Manufacturer Part Number
MCP1603RD-TNY
Description
Tiny Reference Design Board
Manufacturer
Microchip Technology
Type
DC/DC Switching Converters, Regulators & Controllersr
Specifications of MCP1603RD-TNY
Silicon Manufacturer
Microchip
Application Sub Type
Buck Regulator
Kit Application Type
Power Management - Voltage Regulator
Silicon Core Number
MCP1603
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
0.8V, 1.2V, 1.8V, 2.5V, or 3.3V
Current - Output
500mA
Voltage - Input
2.7 ~ 5.5V
Regulator Topology
Buck
Frequency - Switching
2MHz
Board Type
Fully Populated
Utilized Ic / Part
MCP1603
Input Voltage
2.7 V to 5.5 V
Output Voltage
1.8 V to 3.3 V
Product
Power Management Modules
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
MCP1603
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MCP1603
5.8
Good printed circuit board layout techniques are
important to any switching circuitry and switching
power supplies are no different. When wiring the high
current paths, short and wide traces should be used.
This high current path is shown with red connections in
Figure
FIGURE 5-1:
DS22042A-page 16
5-1. The current in this path is switching.
PCB Layout Information
PCB High Current Path.
2.7V To 4.5V
V
4.7 µF
IN
C
IN
V
SHDN
IN
GND
V
L
FB
X
Therefore, it is important that the components along the
high current path should be placed as close as possible
to the MCP1603 to minimize the loop area.
The feedback resistors and feedback signal should be
routed away from the switching node and this switching
current loop. When possible ground planes and traces
should be used to help shield the feedback signal and
minimize noise and magnetic interference.
4.7 µH
L
1
1.8V @ 500 mA
V
OUT
C
4.7 µF
OUT
© 2007 Microchip Technology Inc.